Online PHP editor | output for AAQ8R

@ 2013-12-06T04:42:29Z

<?php

$a = "foobarbizbazbuztestingthisoutfoobarbizbazbuztestingthisoutfoobarbizbazbuztestingthisoutfoobarbizbazbuztestingthisoutfoobarbizbazbuztestingthisoutfoobarbizbazbuztestingthisoutfoobarbizbazbuztestingthisoutfoobarbizbazbuztestingthisoutfoobarbizbazbuztestingthisoutfoobarbizbazbuztestingthisoutfoobarbizbazbuztestingthisoutfoobarbizbazbuztestingthisoutfoobarbizbazbuztestingthisoutfoobarbizbazbuztestingthisoutfoobarbizbazbuztestingthisoutfoobarbizbazbuztestingthisoutfoobarbizbazbuztestingthisoutfoobarbizbazbuztestingthisoutfoobarbizbazbuztestingthisoutfoobarbizbazbuztestingthisoutfoobarbizbazbuztestingthisoutfoobarbizbazbuztestingthisoutfoobarbizbazbuztestingthisoutfoobarbizbazbuztestingthisoutfoobarbizbazbuztestingthisoutfoobarbizbazbuztestingthisoutfoobarbizbazbuztestingthisoutfoobarbizbazbuztestingthisoutfoobarbizbazbuztestingthisoutfoobarbizbazbuztestingthisout";
$b = str_repeat("a", 300);
echo "Static Var\n";
testCopy($a);
echo "Dynamic Var\n";
testCopy($b);
$c = mb_substr($a, 0, strlen($a) - 1);
echo memory_get_usage() . "\n";

function testCopy($var) {
    echo memory_get_usage() . "\n";
    $var = (string) $var;
    echo memory_get_usage() . "\n";
}

Output for 7.4.0 - 7.4.1: Static Var 389472 389472 Dynamic Var 389472 389472 390368
Output for 7.3.0 - 7.3.13: Static Var 389416 389416 Dynamic Var 389416 389416 390312
Output for 7.2.0 - 7.2.26: Static Var 385360 385360 Dynamic Var 385360 385360 386256
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33: Static Var 348752 348752 Dynamic Var 348752 348752 349648
Output for 5.6.0 - 5.6.40: Static Var 220280 220328 Dynamic Var 220280 220648 221312
Output for 5.5.0 - 5.5.38: Static Var 220264 220312 Dynamic Var 220264 220632 221304
Output for 5.4.0 - 5.4.45: Static Var 220784 220832 Dynamic Var 220784 221152 221824
Output for 5.3.11 - 5.3.29: Static Var 625416 626352 Dynamic Var 625416 625784 626456
Output for 5.3.0 - 5.3.10: Static Var 625112 626048 Dynamic Var 625112 625480 626152
Output for 5.2.10 - 5.2.17: Static Var 83904 84832 Dynamic Var 83904 84264 84840
Output for 5.2.7 - 5.2.9: Static Var 84504 85488 Dynamic Var 84600 84920 85856
Output for 5.2.3 - 5.2.6: Static Var 84824 85808 Dynamic Var 84920 85240 86176
Output for 5.2.2: Static Var 82720 83704 Dynamic Var 82816 83136 84072
Output for 5.2.1: Static Var 82768 83656 Dynamic Var 82808 83128 83704
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0: Static Var Fatal error: Call to undefined function memory_get_usage() in /in/AAQ8R on line 13
Process exited with code 255.
Output for 4.4.5 - 4.4.9: Static Var Fatal error: Call to undefined function: memory_get_usage() in /in/AAQ8R on line 13
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4: Static Var Fatal error: Call to undefined function: memory_get_usage() in /in/AAQ8R on line 13
Process exited with code 255.
Output for 4.3.0 - 4.3.1: Static Var Fatal error: Call to undefined function: memory_get_usage() in /in/AAQ8R on line 13

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